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A tube with two open ends is 1 m long. What is the wavelength of the fundamental vibration of an air column in this tube?
a rock thrown with speed 7.50 and launch angle 30.0 above the horizontal travels a horizontal distance of 19.5 before
From a height of 35.5m , a 1.50kg bird dives (from rest) into a small fish tank containing 53.5kg of water. What is the maximum rise in temperature of the water
Two steel guitar strings have the same length. String A has a diameter of 0.59 mm and is under 450.0 N of tension. String B has a diameter of 1.2 mm and is under a tension of 800.0 N. Find the ratio of the wave speeds, va/vb, in these two strings.
A copper block with a mass of 400 grams is cooled to 77K by being immersed in liquid nitrogen. What is the mass of water in the cup, if the final temperature is -20.0°C
What is relative velocity
q1. far in space where gravity is negligible a 450 kg rocket travelling at 77 ms fires its engines. the thrust force as
A helium filled ballon at atmospheric pressure is tied to a 3.0 m long, 40g string. The ballon is spherical with mass 0.25 and radius 0.40 m. When released, it lifts a lengh (h) of the string, and then remais in equilibrium.
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.75 m/s2 for 4.45 s, With what speed does the car then strike the tree
Consider the system of capacitors shown in the figure below (C1= 2.00 uF, C2= 3.00 uF). Find the total energy stored by the group
The diameter of the He atom is approximately 0.10nm. Compute the density of the He atom in (assuming that it is a sphere).
four identical charged particles q 11.0 microc are located on the corners of a rectangle as shown in the figure below.
A cat walks along a uniform plank that is 4.00 m long and has a mass of 7.00kg the plank is upported by two sawhorses. What is the mass of the cat
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